United Airlines flight UA 4031: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Albuquerque (ABQ) 11:05 Houston George Bush (IAH) B
UA 4031 Non-stop Embraer EMB 175 (E7W) 2:05 Effective from 2026-05-21
Sat 08:25 Washington Dulles (IAD) 10:40 New Orleans (MSY)
UA 4031 Non-stop Embraer EMB 175 (E7W) 3:15 Effective 2026-01-10 through 2026-02-07
Thu 09:45 South Bend (SBN) 11:31 Washington Dulles (IAD)
UA 4031 Non-stop Embraer EMB 175 (E7W) 1:46 Operates only on 2026-02-12
Thu-Sat 09:54 Houston George Bush (IAH) B 11:56 Tucson (TUS)
UA 4031 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-03-05 through 2026-03-07
Mon-Sat 09:54 Houston George Bush (IAH) B 10:56 Tucson (TUS)
UA 4031 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-03-09 through 2026-03-28
Daily 09:54 Houston George Bush (IAH) B 10:49 Tucson (TUS)
UA 4031 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2026-03-29 through 2026-04-29
Daily 10:05 Houston George Bush (IAH) B 11:00 Tucson (TUS)
UA 4031 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2026-04-30 through 2026-05-20
Sun 10:36 Houston George Bush (IAH) B 11:38 Tucson (TUS)
UA 4031 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-03-08 through 2026-03-22
Sat 12:06 Austin (AUS) 16:23 Washington Dulles (IAD)
UA 4031 Non-stop Embraer EMB 175 (E7W) 3:17 Valid until 2026-01-03
Mon-Fri,Sun 12:45 Washington Dulles (IAD) 14:17 John Glenn Columbus (CMH)
UA 4031 Non-stop Embraer EMB 175 (E7W) 1:32 Effective 2026-01-06 through 2026-02-11
Mon-Fri,Sun 13:43 Houston George Bush (IAH) B 17:03 Greenville/Spartanburg (GSP)
UA 4031 Non-stop Embraer EMB 175 (E7W) 2:20 Valid until 2026-01-05
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4031: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4031
08:00
Albuquerque (ABQ)

11:05
Houston George Bush (IAH) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
08:25
Washington Dulles (IAD)

10:40
New Orleans (MSY)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
09:45
South Bend (SBN)

11:31
Washington Dulles (IAD)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:46, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
09:54
Houston George Bush (IAH) B

11:56
Tucson (TUS)
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:02, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
09:54
Houston George Bush (IAH) B

10:56
Tucson (TUS)
Effective 2026-03-09 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:02, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
09:54
Houston George Bush (IAH) B

10:49
Tucson (TUS)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
10:05
Houston George Bush (IAH) B

11:00
Tucson (TUS)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
10:36
Houston George Bush (IAH) B

11:38
Tucson (TUS)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:02, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
12:06
Austin (AUS)

16:23
Washington Dulles (IAD)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:17, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
12:45
Washington Dulles (IAD)

14:17
John Glenn Columbus (CMH)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4031
13:43
Houston George Bush (IAH) B

17:03
Greenville/Spartanburg (GSP)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Houston George Bush (IAH)
  • Austin (AUS) - Washington Dulles (IAD)
  • Houston George Bush (IAH) - Greenville/Spartanburg (GSP)
  • Houston George Bush (IAH) - Tucson (TUS)
  • South Bend (SBN) - Washington Dulles (IAD)
  • Washington Dulles (IAD) - John Glenn Columbus (CMH)
  • Washington Dulles (IAD) - New Orleans (MSY)
All United Airlines flights
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